If four times a number added to 3 is equal to 15 less than five times the number. Find the number.
Answers
Answer:
A cube is painted blue on two adjacent faces. It is painted brown on the faces opposite to blue faces and yellow on the remaining faces. After being cut into sixty-four smaller cubes of equal size, what is the fraction of the cubes which have exactly one face painted blue?
3/8
7/16
25/64
17/64
A cube is painted blue on two adjacent faces. It is painted brown on the faces opposite to blue faces and yellow on the remaining faces. After being cut into sixty-four smaller cubes of equal size, what is the fraction of the cubes which have exactly one face painted blue?
3/8
7/16
25/64
17/64
A cube is painted blue on two adjacent faces. It is painted brown on the faces opposite to blue faces and yellow on the remaining faces. After being cut into sixty-four smaller cubes of equal size, what is the fraction of the cubes which have exactly one face painted blue?
3/8
7/16
25/64
17/64
Answer:
let the number be x
Then, according to the question
4x + 3 = 5x - 154x+3=5x−15
3 + 15 = 5x - 4x3+15=5x−4x
18 = x18=x
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